Idlers, Clutches, Couplings and Conveyor Sprockets Idler Sprockets: Ball Bearing Idler Sprockets have sealed ball bearing with extended inner race and setscrews for securing to shaft. For No. 35 through No. 160 Chain. Drivesaver Overload Clutch: Simple, economical, and adjustable over-load protection for shaft sizes from 1/4" through 3-1/2". Chain Couplings and Covers: Finished bore, Stock bore, and Taper Lock® bushed chain couplings through 5" bore in a wide variety of sizes from - No. 40 through No. 120 chain. All components required for a complete coupling are stocked, including chains and covers. Hinge Top Conveyor Chain Sprockets: Steel sprockets with or without shroud plates in a wide range of tooth sizes. Several sizes stocked with and without center groove. products/services | gear making | overview | faq | site map | contact | home